Add support for configuring pins to be one of {GPIO, PERIPHERAL A or

PERIPHERAL B}, as well as direction of GPIO pin.  Add defines for all
the pins.

1 files changed, 38 insertions, 0 deletions

diff --git a/sys/arm/at91/at91_piovar.h b/sys/arm/at91/at91_piovar.h
new file mode 100644
index 0000000..dbb1622
--- /dev/null
+++ b/sys/arm/at91/at91_piovar.h
@@ -0,0 +1,38 @@
+/*-
+ * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $FreeBSD$ */
+
+#ifndef ARM_AT91_AT91_PIOVAR_H
+#define ARM_AT91_AT91_PIOVAR_H
+
+void at91_pio_use_periph_a(uint32_t pio, uint32_t periph_a_mask);
+void at91_pio_use_periph_b(uint32_t pio, uint32_t periph_b_mask);
+void at91_pio_use_gpio(uint32_t pio, uint32_t gpio_mask);
+void at91_pio_gpio_input(uint32_t pio, uint32_t input_enable_mask);
+void at91_pio_gpio_output(uint32_t pio, uint32_t output_enable_mask);
+void at91_pio_gpio_set(uint32_t pio, uint32_t data_mask);
+void at91_pio_gpio_clear(uint32_t pio, uint32_t data_mask);
+
+#endif /* ARM_AT91_AT91_PIOVAR_H */